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Discover 22,668 clinical trials near New York, New York. Find research studies in your area.
Showing 6241-6260 of 22,668 trials
NCT05404009
The purpose of this study is to develop a secure method of collecting dietary and nutritional intake information from people with cancer. The researchers will use this information to learn more about how dietary information may relate to cancer diagnosis and response to treatment, and to identify factors that may lead to higher or lower risk of cancer.
NCT00447980
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in persons with retinitis pigmentosa, Usher type II \& III, and Choroideremia. This research is being done because there are no effective therapies for people with these retinal degenerations. They are genetic disorders that affect one's ability to see at night, and later cause tunnel vision and loss of central vision. Retinal degenerations affect the retina, a light sensitive layer of cells in the back of the eye. Slowly over time, these cells die and cause permanent loss of vision. The implant is a small capsule that contains human retinal pigment epithelium cells. These cells have been given the ability to make CNTF and release it through the capsule membrane into the surrounding fluid. In this study, two different CNTF dose levels will be used: a high dose and a low dose in one eye, as well as a sham (or placebo) surgery in the other eye.